Screw Me! Testicle CrusherPut your testes or penis into this crusher and then turn the screw to get crushing pleasures. Made from medical grade steel this torture device is built to last. You can Screw Me! as tight or as gently as you like. Your pain can become your pleasure as you, your master or mistress have complete control. Approximate MeasurementsSmall - 33mm / Medium - 37mm / Large - 41mm / X-Large - 45mmRing Thickness - 10mmCrusher Depth - 30mm This product is certified 100% Non-Magnate and medical-grade steel. Beware of cheaper products that are not solid surgical steel but chromed steel or poor quality surgical steel that contains Magnate. Magnate is the ingredient that makes steel rust. We will only include this endorsement on our 100% surgical steel products.